THE POISONOUS SNAKES OF INDIA. 



69 



FlO. 13.— Xenopeltis unicoTcr (x 3). 

 Key to Identification of the Species. 

 ANAL ENTJKE. (See An, fig. 9 A). 



TEMPORAL TOUCHES Uh AND 5th 



SUPRALABIALS ONLY. (See T, fig. 14). Melanelaps mcphersoni. 

 TEMPORAL TOUCHES 5th AND 6th SUP- 

 RALABIALS ONLY (See T, fig. 15 B). 

 Intemasal not touching prseocular (See 

 Int. andPra.,yfy. 15 B). 



Belly uniform red Doliophis bivirgatus. 



Belly barred with black .... Doliophis intestinalis. 



Internasal touching prseocular. (See Int. 



and Fra,. fig. 16 B). ,, Naia tripudians. 



TEMPORAL TOUCHES 5th, 6th, AND 1th 

 SUPRALABIALS. (See T,fig. 18 A). 

 Subcaudals at base of tail entire (See Sc., 



fig. 9 C) Naia bungarus. 



Subcaudals divided throughout (See Sc., fig. 



9 D) — Callophisbibronii. 



ANAL DIVIDED (See An, fig. 9 E). 



TEMPORAL TOUCHES 5ih AND 6th 



SUPRALABIALS ONLY. (See T,fig.20 B). Calhphis macclellandii. 

 TEMPORAL TOUCHES 5th, 6 th AND 1th 

 SUPRALABIALS. (See T, fig. 18A). 



Supralabials C only. (See fig. 21 B) Callophis trimaculatus. 



Supralabials 7. (See fig. 22 B). 



Tail icitk 2 black bands Callophis maculiceps. 



Tail loith no black band Hemibungarus nigrescens 



